CVE-2018-6217: Kingsoftstore Kingsoft WPS Office

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

The WStr::_alloc_iostr_data() function in kso.dll in Kingsoft WPS Office 10.1.0.7106 and 10.2.0.5978 allows remote attackers to cause a denial of service (application crash) via a crafted (a) web page, (b) office document, or (c) .rtf file.

Affected products

• Kingsoftstore Kingsoft WPS Office: version 10.1.0.7106 only; version 10.2.0.5978 only

Published 2018-01-25. Last modified 2026-06-17.